baber/WOPTO huggingface dataset:
Patent DE-3921112-A1 (DE)
Title: Oscillation method for photon physics applications - produces photon oscillations and higher photon energies
Inventor: BLUM JUERGEN
IPC: H01S4/00
Filed: 1989-06-28
Abstract: The oscillation method 2 is used to produce photon oscillations, in the range of low or high frequency and in a high energy magnetic field, and increase photon energy. The crystal used for the laser has one of 3 compsn. 1 GdA103 with Nd3+ as active ion, 1.0690ym. Gd is replaced by radioactive Gd151 or Gd 153, gamma-quantum energy 0.308-0.1031 MeV, and A1 by radioactive A126, gamma-quantum energy 2.96 MeV. 2. Ya103 with active ion Tm3+ 2.2348 ym. Tm is replaced by radioactive Tm171 with a gamma-quantum energy 0.0677 MeV and the A1 as above, producing a gamma-energy of 0.0677-2.96 MeV. Serial connection of the photon energy of several lasers of this type can produce photon energy of up to 2000 MeV. 3. A1203 with EU3+ as active ion, 0.6130 ym. Eu is replaced by radioactive Eu154, gamma-quantum energy 1.6 MeV. USE/ADVANTAGE - The laser crystal allows photon generation over a very large range of energies from X-ray to gamma-rays. The laser is used for X-ray photo-lithography, as X-ray source and in space-flight drives.
Patent DE-3925246-A1 (DE)
Title: Three-section microscope eyepiece - has negative meniscus lens following stop at end towards subject
Inventor: RIESENBERG HORST DR RER NAT
IPC: G02B25/00
Filed: 1989-07-29
Abstract: The microscope eyepiece is in three sections  (I,II,III), the glued eye lens (III) unit comprising an outer negative lens (IIIN) and inner positive one (IIIP) with a focal length fIII greater than zero while a stop is provided at the end towards the subject.  The stop is followed by the first section (I), which consists of a meniscus-type negative lens of focal length fI less than zero, with convex and concave faces respectively towards stop and eye. The second section (II) consists of a biconvex positive lens of focal length fII greater than zero. Where f is the focal length of the eyepiece, fI is less than fII, fII is less than fIII, and 1.5f is less than fI is less than 3F. USE/ADVANTAGE - Microscope eyepiece is usable by people wearing spectacles.
Patent DE-3927047-A1 (DE)
Title: Game surface for rolling objects on - has slippery horizontal surface with starter and roll back ends, with middle raised part, and peripheral rim
Inventor: KRUG ANNELIESE M
IPC: A63F7/36
Filed: 1989-08-16
Abstract: The game-surface for rolling objects is horizontal with a starter-surface (1) and a return surface (2) between which is a raised or marked part. The playing surface has a slippery surface (7) for rolling. The playing surface is enclosed by a rim (4) and has carrying-loops as suspensions (5) or legs (6) on which to stand. Electronically controlled light barriers (8) determine the position of the rolling object. USE/ADVANTAGE - The playing surface is for rolling objects such as disc, coins etc. backwards and forwards.
Patent DE-3927301-A1 (DE)
Title: Tanning appts. using UV radiator(s) - has two=part reflector for absorbing, reflecting or transmitting UV-A and B radiation
Inventor: SCHWELLENBACH WILLIE
IPC: A61N5/06
Filed: 1989-08-18
Abstract: The spectrum of the radiator(s) includes UV-A and UV-B components. The reflector(s) has or have at least one part (14) absorbing, reflecting or transmitting UV-B radiation and at least one other part (16, 18) absorbing reflecting or transmitting UV-A radiation. These first and second parts (14, 16, 18) are movable relative to each other to set the ratio of UV-A and -B radiation. The first reflector part (14) surrounds a tubular UV radiator (12) gutter-like. The second part is in the form of a partial cylinder and is rotatable or pivotable in the first part around the radiator. The first part can be of glass and the second of metal, pref. aluminium. ADVANTAGE - Can be set to suit skin type of user.
Patent DE-3928806-A1 (DE)
Title: Bath accessory mounting pillar - consists of wall bracket with lateral accessory attachment point to take various fittings
Inventor: GERBE HELMUT
IPC: A47K10/10
Filed: 1989-08-31
Abstract: The mounting pillar can support various bathroom accessories.  It consists of a wall bracket with an accessory attachment point (41) which is laterally positioned. The attachment point is a threaded socket (42) with a countersunk shoulder (48). The bracket is covered by a shell (1) and end cup (6) of various colours with contrast ring (50). USE/ADVANTAGE - Mounting pillar for various bathroom accessories, e.g. magnetic soap holder, towel rail, toilet roll, glass holder, allowing some attachments to pivot.
Patent DE-3931951-A1 (DE)
Title: Electronic digit subtraction circuit - has only 6 and circuits, 3 or circuits and one carry output for binary coded decimal numbers
Inventor: MERKLE PAUL
IPC: G06F7/50
Filed: 1989-09-25
Abstract: The electronic digit substraction circuit for binary coded decimal number contains only 6 AND circuits (11), each with 2 inputs, and only 3 OR circiuts (11-14). One OR circuit has 4 inputs, one has 3 inputs and the other has 2 inputs. No blocking circuit is arranged at the ouput of the circuit which only passes the high potential with the highest validity and has only one carry output. ADVANTAGE - Used only in special circumstances, resulting in very simple circuit.
Patent DE-3934623-A1 (DE)
Title: Folding device for simultaneous measurement of paper thickness - has pair of rollers, lever with transfer element to instrument and pressure adjustment elements
Inventor: ENGELNIEDERHAMMER JOSEF
IPC: B65H45/12
Filed: 1989-10-17
Abstract: An adjustable press. specimen folding arrangement contains two rotatable rollers (2,3) with a folding gap (4) between them.  One roller (2) is mounted in a fixed frame (1), the other in a first lever arm (5a) of a two-arm lever (5) pivoting about an axis parallel to the first roller's rotation axis. A transfer element (8) between the second arm and an instrument (9) carries a threaded press. adjuster (11) via a spring (15).  A press. adjuster (17) for the spring is mounted in a block (16) in the frame. USE/ADVANTAGE - Esp. for simultaneous measurement of paper specimen thickness and compressibility.  The arrangement is easily adjustable and accurate.
Patent DE-4001222-A1 (DE)
Title: Dispersion of hydrophilic pigment treated with surfactant - used as dispersant in relatively apolar matrix to reduce viscosity and increase thermal stability
Inventor: CRABBE DAVID
IPC: C09D7/45
Filed: 1990-01-17
Abstract: Pigment dispersion with improved viscosity and thermal stability for use in coating systems contains a pigment vehicle (I), a pigment (II) with a hydrophilic surface, dispersed in (I), and a surfactant (III), which acts as dispersant in a relatively apolar matrix, is present in an effective amt. on the surface of (II) and increases the dispersibility of (II). (I) is pref. based on water and may contain a polyol, pref. ethylene glycol or propylene glycol; or is based on an organic solvent and pref. contains acrylic, silicone, alkyd, epoxy, polyurethane or phenolic resin, nitrocellulose, natural oils, cellulose acetate or cellulose acetate-butyrate.  (II) is an Fe oxide or divalent ferrite pigment, pref. red, yellow or black Fe oxide or Zn or Mg ferrite, with a BET surface area of ca. 3-20 m2/g.  (III) has a polar head attached to (II) and an apolar tail and pref. is trimethylolethane or trimethylolpropane.  It is used in an amt. of ca. 0.1-1, pref. 0.3-0.5 (wt.)% w.r.t. (II). USE/ADVANTAGE - The dispersion is claimed for use as the basis of coating compsns., based on an aq. or organic soln. or aq. latex.  It is dispersible in plastics and withstands extrusion well.
Patent DE-4005467-A1 (DE)
Title: Blast pipe for steam locomotive - has control systems for varying pipe opening
Inventor: GEGGERLE SIGMUND DR
IPC: F01K15/02
Filed: 1990-02-21
Abstract: The control and governor dependent blast pipe adjustment arrangement is for steam locomotives and steam powered vehicles.  The blast pipe opening is fitted with slides (15 and 16), interrupted plates or special inserts. The position of the slides is adjusted by the push and pull rods (11-14) secured by arms (6,7) on a rotatable shaft (5) operated by a drive motor (4) in response to position control signals. USE/ADVANTAGE - Blast pipe system which can take the form of a Giesl ejector and which is variably adjustable to give efficient and economical performance.
Patent DE-4011599-A1 (DE)
IPC: B29C43/14
Filed: 1990-04-10
Abstract: A railway track crossing device is made up of mouldings (22). The latter contain particled, vulcanised salvaged rubber material wihich is bound by a cured binder, at least in the core region.
Patent DE-4012167-A1 (DE)
Inventor: KORASIAK WOLFGANG DIPL ING
IPC: B60T8/00
Filed: 1990-04-14
Abstract: The description relates to an anti-lock regulating system in which the braking pressure is obtained from the valve switching times and the vehicle deceleration and stored vehicle-specific values and characteristics.
Patent DE-4013232-A1 (DE)
Title: Door for cages in poultry battery - has telescopic plastics bars with vertical end-pieces having guide elements for opening and closing door
Inventor: WIENKEN AUGUST
IPC: A01K31/10
Filed: 1990-04-26
Abstract: Door consists of horizontal parallel bars with vertical end-pieces with guide-elements at the ends for sliding open and shut. The bars of the sliding door (8, 9) of two neighbouring cages (1, 2) within the battery consist of profiled elements (11, 12) which can be pushed into each other like a telescope, and can be made of plastic. USE/ADVANTAGE - Avoids wear and corrosion of the cage doors.
Patent DE-4019215-A1 (DE)
Title: Folding three-part frame for sofa bed - has zigzag folding construction with front and rear modules connected by side bars
Inventor: DEL CARMEN TORPEDO PALOMO MARI
IPC: A47C17/23
Filed: 1990-06-15
Abstract: The frame comprises three hinge-jointed rectangular modules (1, 2, 3) and converts from a sofa to a bed with a zig-zag folding movement. The rear module (1) is supported on front and rear feet (7, 8) and carries armrests and backrests (10). The larger front module (3) has two rigid rear feet (13) connected to two L-shaped side bars (16) to angle brackets (14) on the rear module, such articulation ensuring the front module remains horizontal during the conversion. A folding mattress fixed to the front and rear modules also forms the sofa seat. USE - Three-fast frame for sofa convertible into bed.
Patent DE-4019926-A1 (DE)
Title: Access ramp for inflatable rescue raft - has rigid bars on either side with flexible couplers to raft support hoses
Inventor: SCHULZE BERND
IPC: B63B27/14
Filed: 1990-06-22
Abstract: The inflatable raft for sea rescue has access steps (4) attached on each side to the inflating tubes (5, 6) of the raft by two rigid bars (1). The latter are arranged in the form of an isosceles triangle with their outer ends joined to each other by a flexible connection (2). Each bar is attached to the raft by a pivoted joint (7) which is tangential to the inflating tube. The side walls (3) of the steps are attached to the bars and supported by horizontal metal strips (9), which form the steps. ADVANTAGE - Stable hold for ram without inflatable parts.
Patent DE-4021157-A1 (DE)
Title: Single wheel suspension for vehicle - makes use of rotary stabiliser between two bearing points
Inventor: WINTER INGO DIPL ING
IPC: F16F1/387
Filed: 1990-07-03
Abstract: The independent suspension for a vehicle has a free-hanging rotary stabiliser (4) whose ends (4a,4b) are coupled to the  struts (2) guiding the wheels through a linkage part (5). The rotary stabiliser is formed without elbows; its ends are each connected via a bearing arrangement (6), and the devices so formed are angle compensating and torque transmitting bearings. USE/ADVANTAGE - Vehicle wheel suspensionunit of compact design which is relatively simple to install.
Patent DE-4033028-A1 (DE)
Title: Safety belt for motor vehicle occupant -  has attachment with automatic adjustment to suit height of user
Inventor: RITZL FRITZ
IPC: B60R22/18
Filed: 1990-10-18
Abstract: The safety belt (6) for the occupant of a motor vehicle passes through a buckle (5) which is attached to a slider (4) which is initially fastened to a guide rail (1). The guide rail is fastened to the vehicle structure by a central bolt (2) and an elastically or plastically deformable fastener (3). In the event of a crash, a force is exerted on the belt (6) which causes the buckle to slide to the lower end of the rail. The horizontal component of the force applied to the belt causes the rail to rotate about the bolt (2) and extend the fastener (3). USE/ADVANTAGE - Car safety belt with point of attachment being automatically adjusted to suit height of occupant restrained by the belt.
Patent DE-4104475-A1 (DE)
Title: Test arrangement for electrical supply network - passes test current through network to detects current in or between neutral and earth lines
Inventor: ROSENTHAL PETER
IPC: G01R31/02
Filed: 1991-02-14
Abstract: A test arrangement for an electric consumer supply network (14) passes a test current of defined amplitude and duration through the network. The test device is connected to the neutral (N) and earth (PE) lines and can also be connected to the live line (L1) of the network. The test device connects the neutral line to the earth line via a detector (26) or the neutral line is opened and the opening bridged by a detector which produces or causes the generation of an acoustic, visual or electrical signal when current passes through it. USE/ADVANTAGE - Detecting interchange of neutral and earth lines. Simple design and can be simply used in conjunction with conventional test equipment.
Patent DE-4110245-A1 (DE)
Title: Drill head with hard metal cutters - has main cutter provided with outwardly curved section extending over greater part of total length of main and adjoining cutters
Inventor: HEIDERICH ERNST
IPC: E21B10/54
Filed: 1991-03-28
Abstract: A drill head with hard metal eccentric cutters (6) fixed to a carrier core has a main cutter (7) adjoining an outer or inner cutter. The main cutter (7) includes an outwardly curved section (7b) which extends over the greater part of the distance (d) of the adjoining cutters (8a,8b) and has a radius (R) greater than half the distance (d) of the inner and outer cutters (8a,8b), but smaller than the dia. (D) of the drill head (1). The middle point (M) of the radii (R) of the curved section (7b) of the cutter (6) lies on the central axis (8) of the drill head (1). USE/ADVANTAGE - Has a longer life and is easy to sharpen.
Patent DE-4111861-A1 (DE)
Inventor: CHATTERJEE SHYAM SUNDER DR
IPC: C07D311/18
Filed: 1991-04-11
Abstract: Novel 2H-1-benzopyran-2-ones (coumarin derivatives) of general formula (I), and their addition compounds with physiologically tolerable acids, are disclosed. In formula (I): X is an alkylene group having 2-5 C-atoms, or a 2-hydroxypropylene group; Y is a nitrogen atom, a CH group, a COH group, or a carbon atom; R<1> is a phenyl, benzhydryl, benzhydrylidene, benzyl, diphenylhydroxymethyl, pyridinyl or pyrimidinyl residue which is optionally substituted with one or two C1-C5 alkyl groups, one or two halogen atoms, halogen and at the same time C1-C5 alkyl, perfluoralkyl having 1-3 C-atoms, C1-C5 alkoxy, methylendioxy, hydroxy or nitro; R<2> is a straight-chained or branched alkyl group having 1-5 C-atoms, or a cycloalkyl group having 4-6 C-atoms; R<3> is a hydrogen atom, an alkyl group having 1-4 C-atoms, or phenyl; R<4> is a hydrogen atom, an alkyl group having 1-4 C-atoms, a phenyl group or a trifluoromethyl group, or R<3> and R<4> together represent a polymethylene chain -(CH2)n-, in which n is 3 or 4. Methods for manufacturing these compounds, and new intermediate products and methods of manufacture thereof are also disclosed. The novel coumarin derivatives have neuro-protective and anti-allergic properties. Medicaments containing these compounds are also described.
Patent DE-4115711-A1 (DE)
Title: Land cultivator to aerate soil - has rotary discs making slits in ground without turning soil
Inventor: SCHMIDT FRITZ
IPC: A01B33/02
Filed: 1991-05-14
Abstract: The cultivator has a horizontal shaft (2) fitted with cutters (3) with a rotary plane running perpendicular to the ground surface and parallel to the travel direction. The shaft (2) and/or tools can be driven in rotation about the shaft axis. The slits can have widths of more than 5 mm preferably 8-30 mm and depths of more than 25 cm preferably 6-80 cm. Several slits can be made parallel to each other so that a tool (5) can be inserted into each slit to slightly displace the ground sideways between the slits thereby loosening up the soil. USE/ADVANTAGE - The plant life is not disturbed whilst the ground underneath is aerated.
Patent DE-4121526-A1 (DE)
Title: Ozone-decomposing compsn. for corona charging - contg. ozone-decomposing medium contg. terpenoid and gelating agent, and organic fluorine-contg. non-flammable material, for air purificn.
Inventor: SERA TSUKASA
IPC: C09K21/08
Filed: 1991-06-28
Abstract: Compsn. contains a) in ozone-decomposing medium contg. terpenoid(s) which is gelatinised by a gelating agent, and b) an organic F-contg. non-inflammable material of b.pt. or thermal decomposition. pt. 45-300deg.C. Terpenoid is pref. of formula CmH2n+14Op, where m=9-15, n=0-4 and p=0-2. USE - Corona charging appts. for electrophotographic copier appliances and laser printers, or in appliances for water and air purificn..
Patent DE-4121913-A1 (DE)
Title: Tension controller for cord twister - has remotely actuated yarn brake for inner yarn within yarn balloon
Inventor: WEBER KLAUS
IPC: D01H13/10
Filed: 1991-07-03
Abstract: The draw-off tension in the inner yarn in a cord twisting spindle is controlled by an adjustable yarn brake within the yarn balloon between the supply bobbin and the twisting point. The yarn brake is adjusted by an actuator which is remotely controlled. The remote controller can be infrared device with a hand held or fixed transmitter which can also be fitted with a stroboscope. USE/ADVANTAGE - Provides a reliable means to ensure that the tensions of the inner and outer yarns are matched.
Patent DE-4133094-A1 (DE)
Inventor: RASCHE HELMER
IPC: A23L33/16
Filed: 1991-10-05
Abstract: A process for reprocessing lactose-depleted whey permeate is described, obtaining a potassium-rich dietetic mineral salt mixture, which is characterised in that a permeate, which is depleted in polyvalent ions, lactose and nitrogen-containing whey constituents, is separated off from a lactose-depleted whey permeate by nanofiltration, using a semi-permeable membrane having a molecular mass exclusion limit of 200 to 400 and a salt exclusion capacity for sodium chloride in the range of 40 to 60 %, the separated-off permeate is concentrated to a dry matter content of 35 to 60 % by weight, a mineral salt mixture is crystallised out and the crystallised-out mineral salt mixture is separated off.
Patent DE-4133537-A1 (DE)
Title: Workpiece clamping fixture for machining operations - has rollers in inclined guideways interposed between clamping jaws and carrier block to force work down onto base
Inventor: MEYWALD GUENTER
IPC: B25B1/24
Filed: 1991-10-10
Abstract: The clamping fixture has a base (2) with a supporting surface (4) for the workpiece (5) and two opposed clamping jaws (6). The clamping jaws are carried in blocks (3), of which one is fixed and the other is movable along the base by a linear drive (7) onto the upper part of the block. On a clamping jaw and its block are pairs of opposed parallel and inclined guideway surfaces (10) for at least two rollers (11) with parallel axes and spaced one above the other. The slope of the roller guideway surfaces courses a frictionless downward movement of the clamping jaws as they are closed against the pressure of elastic pads (15). ADVANTAGE - Workpiece is accurately located and held with a predictable downwards force.
Patent DE-4135853-A1 (DE)
Title: Active semiconductor element coupled to controllable heat source - which may be external heating element with thermal bridge, or resistive layer monolithically integrated into semiconductor
IPC: H01L27/02
Filed: 1991-10-31
Abstract: The active element (FET) is heated by conduction through a thermal bridge (WB) from the heat source (WQ) which can be adjusted independently of the working point of the semiconductor element. A predetermined temp. is maintained in the semiconductor element as such or its active region. The control parameter (f(T)) may be a reference temp. or a temp.-sensitive output from the semiconductor element or a signal derived from the latter output. USE/ADVANTAGE - In e.g. directional radio relay stations or optical link repeaters, drift of electrical characteristics arising from variations of temp. is simply reduced.
Patent DE-4137381-A1 (DE)
Title: Arm bandage with two loops for elbow region - with simple fastener to adjust loop size
Inventor: ROEDER HARRY
IPC: A61F13/10
Filed: 1991-11-13
Abstract: Arm bandage for use in the elbow region consists of two loop sections, one for the upper arm and the other for the lower arm. The adjust the width of either of the loops, a locking element (17) penetrates the flexible loop material with a shank (10) and is fixed by two head enlargements (11,12). In the other part of the loop is at least one hole, in which the head can be inserted to form the loop. ADVANTAGE - Simple joining method, reduce inventory.
Patent DE-4137452-A1 (DE)
Inventor: MATTES BERNHARD DIPL ING
IPC: H02H11/00
Filed: 1991-11-14
Abstract: Proposed is a reverse-supply protection device for power output stage transistors, the device having, connected in series with the output-stage transistor (10), a reverse-poled FET (12) intended as a reverse-supply protection element. The gate terminal of the reverse-supply protection FET (12) is acted on by a control voltage which is derived from the supply voltage and which controls the FET (12) when the supply voltage is applied correctly. The use of two power transistors (10, 12) therefore gives an output stage which is protected against reversed supply, the FET (12) used as the protection element causing only small voltage losses and having only a low turn-on resistance.
Patent DE-4138778-A1 (DE)
Title: Girder joint connecting to vehicle bodywork - uses tapped insert in girder for set screws when replacing welded joint
Inventor: KREIS GUNDOLF DIPL ING
IPC: B62D27/02
Filed: 1991-11-26
Abstract: The joint secures a lengthwise girder in particular to vehicle bodywork. The girder, particularly extruded or deep-drawn, fits in a tubular mounting of corresponding cross-section, particularly a casting, and to whose end face it is welded along a peripheral seam. During repairs after replacement of a beam (4), instead of welding in insert (21) is fitted inside the new one, and contains tapped holes (26). Mating holes (19,20) are then drilling in the mounting (16) and girder, and setscrews (27) are passed through them to engage in the tapped holes. ADVANTAGE - No loss of strength after repair work.
Patent DE-4141249-A1 (DE)
Title: Cosmetic case with flat bottom part, and flap lid - contains replaceable trays in bottom part, and flat plate with openings in divided along middle, placed over cosmetics
Inventor: ERDTMANN STEFAN L DR
IPC: A45D40/22
Filed: 1991-12-14
Abstract: The cosmetic case (100) has a flat bottom part (1) open at the top, over which flaps a lid (4). The bottom part contains replaceable flat-bottom trays (11,12), a low rim and a compressed cosmetic. The bottom part contains a flat plate (10) gripping over the trays' rim and possessing openings (13,14) giving access to the compressed cosmetic. The plate is divided along a straight line (15) running transversely through the openings parallel to the plate's plane. USE/ADVANTAGE - The trays inside the cosmetic case are easily removable for replacing the cosmetic such as compressed powder, blusher or eye-shadow.